Home / 49,722.48-74,596.80-18,558

Finding the Fourth Proportional to 49,722.48, 74,596.80 and 18,558

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Solution

The fourth proportional to 49,722.48, 74,596.80 and 18,558 is: 27,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,722.48 : 74,596.80 = 18,558 : x
  2. Step 2: Convert to fraction form
    49,722.48/74,596.80 = 18,558/x
  3. Step 3: Cross multiply
    49,722.48x = 74,596.80 × 18,558
  4. Step 4: Simplify right side
    49,722.48x = 1,384,367,414.40
  5. Step 5: Solve for x
    x = 1,384,367,414.40/49,722.48
  6. Step 6: Final answer
    x = 27,841.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.